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    SubjectRe: 2.6.0-test5-mm4
    On Mon, Sep 22, 2003 at 01:17:42PM +0100, Alistair J Strachan wrote:
    > On Monday 22 September 2003 09:35, Andrew Morton wrote:
    > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.0-test5/2
    > >.6.0-test5-mm4/
    > >
    > >
    > > . A series of patches from Al Viro which introduce 32-bit dev_t support
    > >
    > > . Various new fixes
    > >
    > >
    >
    > Hi Andrew,
    >
    > -mm4 won't mount my ext3 root device whereas -mm3 will. Presumably this is
    > some byproduct of the dev_t patches.
    >
    > VFS: Cannot open root device "302" or hda2.
    > Please append correct "root=" boot option.
    > Kernel Panic: VFS: Unable to mount root fs on hda2.

    Do you use devfsd ?

    I had to specify root like this :
    root=/dev/ide/host0/bus0/target0/lun0/part5 then it worked just fine.

    Btw Andrew ,

    this change "Synaptics" -> "SynPS/2" - breaks driver synaptic driver
    from http://w1.894.telia.com/~u89404340/touchpad/index.html.


    -static char *psmouse_protocols[] = { "None", "PS/2", "PS2++", "PS2T++", "GenPS/
    2", "ImPS/2", "ImExPS/2", "Synaptics"};
    +static char *psmouse_protocols[] = { "None", "PS/2", "PS2++", "PS2T++", "GenPS/2", "ImPS/2", "ImExPS/2", "SynPS/2"};

    >
    > One possible explanation is that I have devfs compiled into my kernel. I do
    > not, however, have it automatically mounting on boot. It overlays /dev (which
    > is populated with original style device nodes) after INIT has loaded.
    >
    > Perhaps there is some other procedure I must complete before I can use 32bit
    > dev_t?
    >
    > [alistair] 01:15 PM [/usr/src/linux-2.6] egrep -e "DEVFS" -e "EXT3_FS" .config
    > CONFIG_EXT3_FS=y
    > CONFIG_EXT3_FS_XATTR=y
    > CONFIG_EXT3_FS_POSIX_ACL=y
    > CONFIG_EXT3_FS_SECURITY=y
    > CONFIG_DEVFS_FS=y
    > # CONFIG_DEVFS_MOUNT is not set
    > # CONFIG_DEVFS_DEBUG is not set
    >
    > [alistair] 01:16 PM [/usr/src/linux-2.6] dmesg | grep p2
    > /dev/ide/host0/bus0/target0/lun0: p1 p2 p4
    >
    > Cheers,
    > Alistair.
    > -
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